Seili

02292, 1942 RM, 1942RM, 1959 TD, 1959TD, 1971 HS, 1971HS, 1975 FU, 1975FU, 1975 GN1, 1975GN1, 1980 PO, 1980PO, J42R00M, J59T00D, J71H00S, J75F00U, J75G01N, J80P00O

All data for this body: [vot]

MPC data
Name (number) Seili (2292)
a 2.61814
e 0.23877
i / sin(i) 14.5268 / 0.25083
q 1.99300
Q 3.24329
ω 129.3857
Node 172.2958
m 209.3006
n 0.2327
Epoch 2460800.5
nobs 5273
nopp 33
Years observed 1942-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.618
ep 0.202
sin(ip) 0.254
G 0.150
H 11.860
Mass
D 12.70 0.103
pV 0.253 0.0186
Value
Rotational Period 5.120
Period quality 3
Spectral Class S
Spectral Class Score 36.574
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6182 0.2015 0.2542 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.17 0.440 0.440 Masiero 2012ApJ...759L...8M NEATM
11.34 0.290 0.290 Masiero 2014ApJ...791..121M NEATM
12.02 0.970 0.970 Usui 2011PASJ...63.1117U NEATM
12.64 2.530 2.530 Ali-Lagoa 2018A&A...612A..85A NEATM
13.02 0.115 0.115 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.220 0.0318 0.0318 Masiero 2011ApJ...741...68M NEATM
0.240 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.246 0.0980 0.0980 Ali-Lagoa 2018A&A...612A..85A NEATM
0.324 0.0380 0.0380 Masiero 2012ApJ...759L...8M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.86 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.114 3 Synodic Behrend LCDB Lightcurve
5.121 3 Synodic Behrend LCDB Lightcurve
5.12487 2 Sidereal Durech 2020A&A...643A..59D Model
5.1249 3 Synodic Behrend LCDB Lightcurve
5.12507 3 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.4817 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9706 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9876 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9975 0.9110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC